:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --ink: #1a2332;
  --muted: #5b6b7c;
  --line: #e2e8f0;
  --accent: #1e4d8c;
  --accent-soft: #e8f0fa;
  --danger: #b42318;
  --ok: #067647;
  --radius: 14px;
  --shadow: 0 8px 24px rgba(26, 35, 50, 0.08);
  --font: "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: linear-gradient(180deg, #eef3f9 0%, var(--bg) 240px);
  color: var(--ink);
  min-height: 100vh;
  line-height: 1.45;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.wrap {
  width: min(960px, calc(100% - 1.5rem));
  margin: 0 auto;
  padding: 1.25rem 0 3rem;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.brand {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.brand strong { font-size: 1.15rem; letter-spacing: -0.02em; }
.brand span { color: var(--muted); font-size: 0.85rem; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.btn, button.btn, input[type=submit].btn {
  appearance: none;
  border: none;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  padding: 0.7rem 1.1rem;
  border-radius: 10px;
  cursor: pointer;
}
.btn:hover { filter: brightness(1.05); }
.btn.secondary {
  background: #fff;
  color: var(--accent);
  border: 1px solid var(--line);
}
.btn.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
  padding: 0.45rem 0.7rem;
}
.btn.block { width: 100%; }

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
  color: var(--muted);
}
input[type=text], input[type=password], input[type=date], input[type=search] {
  width: 100%;
  font: inherit;
  padding: 0.7rem 0.85rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
}
input:focus {
  outline: 2px solid var(--accent-soft);
  border-color: var(--accent);
}

.field { margin-bottom: 0.9rem; }
.grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}
@media (max-width: 640px) {
  .grid { grid-template-columns: 1fr; }
  .topbar { flex-direction: column; align-items: flex-start; }
}

.alert {
  background: #fef3f2;
  color: var(--danger);
  border: 1px solid #fecdca;
  border-radius: 10px;
  padding: 0.75rem 0.9rem;
  margin-bottom: 1rem;
  font-size: 0.95rem;
}

.meta {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 0.75rem 0 0;
}

.filters { margin-bottom: 1rem; }
.filters .actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.25rem;
}

.results { list-style: none; padding: 0; margin: 0; }
.results li {
  border-top: 1px solid var(--line);
  padding: 0.95rem 0.15rem;
}
.results li:first-child { border-top: none; }
.results .subject {
  font-weight: 650;
  color: var(--ink);
  margin-bottom: 0.2rem;
}
.results .subject a { color: inherit; }
.results .line {
  color: var(--muted);
  font-size: 0.88rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.85rem;
}
.badge {
  display: inline-block;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 0.1rem 0.45rem;
  border-radius: 999px;
}

.pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  flex-wrap: wrap;
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.login-card { width: min(400px, 100%); }
.login-card h1 {
  margin: 0 0 0.25rem;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
}
.login-card .sub {
  color: var(--muted);
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
}

.msg-headers {
  background: var(--accent-soft);
  border-radius: 10px;
  padding: 0.9rem 1rem;
  margin-bottom: 1rem;
  font-size: 0.92rem;
}
.msg-headers div { margin: 0.2rem 0; }
.msg-headers b { color: var(--muted); font-weight: 600; margin-right: 0.35rem; }
.msg-body {
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.9rem;
  background: #fafbfc;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem;
}

.empty {
  text-align: center;
  color: var(--muted);
  padding: 1.5rem 0.5rem;
}